138987228

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{541}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 330229760

約数和(自身を除く): 191242532

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 271, 316, 474, 541, 542, 813, 948, 1082, 1084, 1623, 1626, 2164, 3246, 3252, 6492, 21409, 42739, 42818, 64227, 85478, 85636, 128217, 128454, 146611, 170956, 256434, 256908, 293222, 439833, 512868, 586444, 879666, 1759332, 11582269, 23164538, 34746807, 46329076, 69493614, 138987228]

約数ペア:

[(1, 138987228), (2, 69493614), (3, 46329076), (4, 34746807), (6, 23164538), (12, 11582269), (79, 1759332), (158, 879666), (237, 586444), (271, 512868), (316, 439833), (474, 293222), (541, 256908), (542, 256434), (813, 170956), (948, 146611), (1082, 128454), (1084, 128217), (1623, 85636), (1626, 85478), (2164, 64227), (3246, 42818), (3252, 42739), (6492, 21409)]